CN110957861A - Welding generator convenient for frequency modulation - Google Patents

Welding generator convenient for frequency modulation Download PDF

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Publication number
CN110957861A
CN110957861A CN201911350098.2A CN201911350098A CN110957861A CN 110957861 A CN110957861 A CN 110957861A CN 201911350098 A CN201911350098 A CN 201911350098A CN 110957861 A CN110957861 A CN 110957861A
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CN
China
Prior art keywords
circulating water
water
water tank
generator
circulating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911350098.2A
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Chinese (zh)
Inventor
王远锋
石斌
邬向东
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Anhui Evotec Power Generation Co ltd
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Anhui Evotec Power Generation Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui Evotec Power Generation Co ltd filed Critical Anhui Evotec Power Generation Co ltd
Priority to CN201911350098.2A priority Critical patent/CN110957861A/en
Publication of CN110957861A publication Critical patent/CN110957861A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/19Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
    • H02K9/193Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil with provision for replenishing the cooling medium; with means for preventing leakage of the cooling medium
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Cooling System (AREA)

Abstract

The invention discloses a welding generator convenient for frequency modulation, which comprises a generator body, wherein a water cooling device is connected to the generator body, the water cooling device comprises a circulating water tank, a circulating water pipe and a circulating water pump for connecting the circulating water tank and the circulating water pipe, the circulating water pipe penetrates through the generator body, a water distributor is arranged in the circulating water tank, and the water distributor accelerates the cooling of the circulating water in the circulating water tank; the welding generator convenient for frequency modulation provided by the invention adopts a water cooling mode to realize rapid and efficient cooling of the generator, and improves the working performance of the generator.

Description

Welding generator convenient for frequency modulation
Technical Field
The invention belongs to the field of generators, and particularly relates to a welding generator convenient for frequency modulation.
Background
At present, the welding machine on the market mainly has the following problems from the internal quality and the external welding characteristics of the machine set:
1) the generator winding has rapid and serious heating concentration, high temperature rise and short service life;
2) the generator adopts air cooling for heat dissipation, so that the heat dissipation is slow and the heat dissipation effect is poor;
3) during welding, the generator heats seriously due to the prolonging of welding time, so that the current output by the generator is reduced seriously, the voltage drop is large, the arc striking of a welding machine is difficult, the melting speed is slow, the melting pool is narrow, and the formed welding quality is extremely unstable;
4) the generator body is complex in structure and high in failure rate.
Disclosure of Invention
The invention aims to provide a welding generator convenient for frequency modulation, which adopts a water cooling mode to realize quick and efficient cooling of the generator and improve the working performance of the generator.
According to the technical scheme, the welding generator convenient for frequency modulation comprises a generator body, wherein a water cooling device is connected to the generator body and comprises a circulating water tank, a circulating water pipe and a circulating water pump connected with the circulating water tank and the circulating water pipe, the circulating water pipe penetrates through the generator body, a water distributor is arranged in the circulating water tank, and the water distributor accelerates circulating water cooling in the circulating water tank.
Preferably, a water inlet and a water outlet are respectively arranged at the top and the bottom of the circulating water tank, the water distributor comprises a plurality of water guide plates which are arranged in a staggered mode, the water guide plates are arranged in a staggered and inclined mode, the high end of the uppermost water guide plate is arranged at the lower portion of the water inlet, and the water quantity position of circulating water in the circulating water tank is located at the bottom of the lowermost water guide plate.
Preferably, the inner side surface of the circulating water tank corresponding to the higher end of the water guide plate is provided with a mounting bracket, an open interlayer is formed between the mounting bracket and the inner side surface of the circulating water tank, a fan blade is arranged in the open interlayer, a rotating shaft penetrates through the fan blade, and the rotating shaft penetrates through the circulating water tank and is connected with a motor.
Preferably, the circulating water tank and the water guide plate are made of aluminum alloy, and the higher end of the water guide plate and two side edges connected with the higher end are respectively welded with the mounting support and the inner side surface of the circulating water tank.
Preferably, a water replenishing port and two air ports are arranged at the top of the circulating water tank, and sealing covers are respectively arranged on the water replenishing port and the two air ports.
Preferably, the generator body comprises an outer shell, an inner shell sleeved in the outer shell, and a stator and a rotor arranged in the inner shell, a closed interlayer is formed between the outer shell and the inner shell, and the circulating water pipe is arranged in the closed interlayer and wound outside the inner shell.
Preferably, the generator body is connected with a frequency modulator, the frequency modulator comprises a frequency modulator body and a control panel, and a digital display screen and a control button which are connected with the frequency modulator are arranged on the control panel.
The welding generator convenient for frequency modulation in the technical scheme of the invention has the beneficial effects that:
1. adopt the water-cooling mode to realize cooling off generator body is inside, the cooling effect is good, and cooling rate is fast.
2. Compared with the design of air cooling, air ducts and the like, the water cooling mode has a simple structure, and the failure rate of the generator is low.
3. The arrangement of the water distributor in the circulating water tank accelerates the self cooling of the cooling circulating water and improves the cooling efficiency.
Drawings
FIG. 1 is a schematic diagram of a welding generator for frequency modulation according to the present invention,
figure 2 is a schematic structural diagram of a generator body,
fig. 3 is a schematic structural view of the circulation water tank.
Detailed Description
In order to facilitate the understanding of the technical solutions of the present invention for those skilled in the art, the technical solutions of the present invention will be further described with reference to the drawings attached to the specification.
As shown in fig. 1 to 3, the welding generator according to the present invention includes a frame 1, an engine 2, and a generator driven by the engine 2. The generator comprises a generator body 3, a water cooling device is connected to the generator body 3, and the water cooling device cools the internal components of the generator body 3. Adopt water cooling plant on the one hand to make cooling structure simple, cause welding to use generator overall structure simple, the fault rate is low, and the water-cooling is effectual, and the cooling rate is fast.
As shown in fig. 1 to 3, the water cooling apparatus in the technical solution of the present invention includes a circulation water tank 5, a circulation water pipe 7, and a circulation water pump 6 connecting the circulation water tank 5 and the circulation water pipe 7. The circulating water pipe 7 penetrates through the generator body 3, a water distributor is arranged in the circulating water tank 5, and the water distributor accelerates the cooling of the circulating water in the circulating water tank 5. The temperature of the circulating water passing through the generator body 3 is high, and the generator body 3 can be cooled next time only by carrying out rapid cooling. In the prior art, the cooling process mostly adopts a condenser and the like for cooling, and has a complex structure and high cost. In the technical scheme, the water distributor is adopted for cooling, the temperature is naturally reduced, the structure is simple, the cost is low, and the cooling speed is high.
As shown in fig. 3, the top and the bottom of the circulation water tank 5 in the solution of the present invention are respectively provided with a water inlet 54 and a water outlet 56. The water distributor comprises a plurality of water guide plates 55 which are arranged in a staggered mode, the water guide plates 55 are arranged in a staggered and inclined mode, the high end of the uppermost water guide plate 551 is arranged at the lower portion of the water inlet 54, and the water quantity position of circulating water 50 in the circulating water tank 5 is located at the bottom of the lowermost water guide plate 552. The design of this structure for when the cooling water circulation in generator body 3 returns to circulation tank 5, step by step on the water deflector 55 of crisscross slope setting, flow down along water deflector 55, in-process under the flow, circulating water furthest's that flows on the water deflector 55 and air contact realize the heat dissipation cooling. The water guide plate 55 has a simple structure, low cost and good heat dissipation effect.
As shown in fig. 3, in the technical solution of the present invention, a mounting bracket 51 is disposed on the inner side surface of the circulation water tank 5 corresponding to the higher end of the water guide plate 55. An open type interlayer 50 is formed between the mounting bracket 51 and the inner side surface of the circulating water tank 5, and a fan blade 57 is arranged in the open type interlayer 50. The fan blades 57 are provided with rotating shafts 58, and the rotating shafts 58 penetrate through the circulating water tank 5 and are connected with a motor 59. The motor 59 drives the fan blades 57 to rotate, so that the air circulation speed in the circulating water tank 5 is increased, and the heat dissipation and cooling of the circulating water are increased.
As shown in fig. 3, in the technical solution of the present invention, the circulating water tank 5 and the water guide plate 55 are made of aluminum alloy. The higher end of the water guide plate 55 and the two sides connected with the higher end are respectively welded with the mounting bracket 51 and the inner side of the circulating water tank 5. Because the aluminum alloy heat-conducting property is good, the water guide plate 55 and the circulating water tank 5 which are made of the aluminum alloy material are adopted, and the heat dissipation effect is accelerated.
As shown in fig. 3, in the technical solution of the present invention, the top of the circulating water tank 5 is provided with a water replenishing port 52 and two air ports 53, and the water replenishing port and the two air ports are respectively provided with a sealing cover. The water replenishing port 52 is used for replenishing cooling water into the circulation tank 5, and the air port 53 is designed to realize air circulation in the circulation tank 5.
As shown in fig. 2, in the technical solution of the present invention, the generator body 3 includes an outer shell 31, an inner shell 33 sleeved in the outer shell 31, and a stator and a rotor 34 35 disposed in the inner shell 33. A closed interlayer 32 is formed between the outer shell 31 and the inner shell 33, and the circulating water pipe 7 is arranged in the closed interlayer 32 and is wound outside the inner shell 33. In order to simplify the structure of the generator body 3, the circulating water pipe 7 is provided outside the inner casing 33, and cooling of the generator body 3 is achieved.
As shown in fig. 1, in the technical solution of the present invention, a frequency modulator 4 is connected to a generator body 3. The frequency modulator 4 comprises a frequency modulator body and a control panel, and a digital display screen and a control button which are connected with the frequency modulator are arranged on the control panel. The welding operator can realize carrying out the frequency modulation to frequency modulator 4 through control button on the control panel, realizes adjusting the voltage of generator body 3 output promptly for this welding machine can adapt to more welding requirements.
Technical solution of the invention is described above with reference to the accompanying drawings, it is obvious that the specific implementation of the invention is not limited by the above-mentioned manner, and it is within the scope of the invention to adopt various insubstantial modifications of the inventive method concept and technical solution, or to apply the inventive concept and technical solution to other occasions without modification.

Claims (7)

1. The utility model provides a generator is used in welding convenient to frequency modulation, includes the generator body, its characterized in that, be connected with water cooling plant on the generator body, water cooling plant includes circulating water tank, circulating pipe and connects circulating water tank and circulating pipe's circulating water pump, circulating pipe passes the generator body, be provided with the water-locator in the circulating water tank, the water-locator accelerates the circulating water cooling in the circulating water tank.
2. The welding generator facilitating frequency modulation according to claim 1, wherein a water inlet and a water outlet are respectively formed in the top and the bottom of the circulating water tank, the water distributor comprises a plurality of water guide plates which are arranged in a staggered mode, the water guide plates are arranged in a staggered and inclined mode, the upper end of the uppermost water guide plate is arranged below the water inlet, and the water volume of the circulating water in the circulating water tank is located at the bottom of the lowest water guide plate.
3. The welding generator convenient for frequency modulation according to claim 2, wherein a mounting bracket is arranged on the inner side surface of the circulating water tank corresponding to the higher end of the water guide plate, an open interlayer is formed between the mounting bracket and the inner side surface of the circulating water tank, a fan blade is arranged in the open interlayer, a rotating shaft penetrates through the fan blade, and the rotating shaft penetrates through the circulating water tank and is connected with a motor.
4. The welding generator convenient for frequency modulation of claim 3, wherein the circulating water tank and the water guide plate are made of aluminum alloy, and the higher end of the water guide plate and two sides connected with the higher end are respectively welded to the mounting bracket and the inner side surface of the circulating water tank.
5. The welding generator convenient for frequency modulation according to claim 1, wherein a water replenishing port and two air ports are arranged at the top of the circulating water tank, and sealing covers are respectively arranged on the water replenishing port and the two air ports.
6. The welding generator facilitating frequency modulation according to claim 1, wherein the generator body comprises an outer shell, an inner shell sleeved in the outer shell, and a stator and a rotor which are arranged in the inner shell, a closed interlayer is formed between the outer shell and the inner shell, and the circulating water pipe is arranged in the closed interlayer and wound outside the inner shell.
7. The welding generator convenient for frequency modulation as claimed in claim 1, wherein the generator body is connected with a frequency modulator, the frequency modulator comprises a frequency modulator body and a control panel, and the control panel is provided with a digital display screen and a control button which are connected with the frequency modulator.
CN201911350098.2A 2019-12-24 2019-12-24 Welding generator convenient for frequency modulation Pending CN110957861A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911350098.2A CN110957861A (en) 2019-12-24 2019-12-24 Welding generator convenient for frequency modulation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911350098.2A CN110957861A (en) 2019-12-24 2019-12-24 Welding generator convenient for frequency modulation

Publications (1)

Publication Number Publication Date
CN110957861A true CN110957861A (en) 2020-04-03

Family

ID=69984064

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911350098.2A Pending CN110957861A (en) 2019-12-24 2019-12-24 Welding generator convenient for frequency modulation

Country Status (1)

Country Link
CN (1) CN110957861A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205784717U (en) * 2016-05-19 2016-12-07 山东成泰化工有限公司 A kind of circulating cooling device for industrial discharge water
CN207262980U (en) * 2017-09-04 2018-04-20 界首市宏利塑料有限公司 A kind of circulating water cooling equipment for pp rope productions
CN207585030U (en) * 2017-12-13 2018-07-06 深圳市兴达扬机电安装有限公司 A kind of circulation of air-conditioning
CN207910594U (en) * 2017-12-04 2018-09-25 威海人合机电股份有限公司 A kind of water-cooled generator
CN208042589U (en) * 2018-04-04 2018-11-02 宁夏东义镁业有限公司 A kind of cooling water circulation cooling device
CN109780888A (en) * 2017-11-13 2019-05-21 成都爱朗科技有限责任公司 A kind of Water-cooling circulating energy saver

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205784717U (en) * 2016-05-19 2016-12-07 山东成泰化工有限公司 A kind of circulating cooling device for industrial discharge water
CN207262980U (en) * 2017-09-04 2018-04-20 界首市宏利塑料有限公司 A kind of circulating water cooling equipment for pp rope productions
CN109780888A (en) * 2017-11-13 2019-05-21 成都爱朗科技有限责任公司 A kind of Water-cooling circulating energy saver
CN207910594U (en) * 2017-12-04 2018-09-25 威海人合机电股份有限公司 A kind of water-cooled generator
CN207585030U (en) * 2017-12-13 2018-07-06 深圳市兴达扬机电安装有限公司 A kind of circulation of air-conditioning
CN208042589U (en) * 2018-04-04 2018-11-02 宁夏东义镁业有限公司 A kind of cooling water circulation cooling device

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Application publication date: 20200403